File:Culvert, Rock Run at 8.93 mi on Chesapeake and Ohio Canal.jpg

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Culvert,_Rock_Run_at_8.93_mi_on_Chesapeake_and_Ohio_Canal.jpg(640 × 424 pixels, file size: 300 KB, MIME type: image/jpeg)

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English: Rock Run culvert (#12), on short level, just below Lock 11 (above Lock 10). NPS says: Built on an angle (under the berm, canal, and towpath) approximately 152' in length. The 12' -6" wide barrel arch, with rise of 5' -6", is horizontal. The side walls of the culvert taper from 8' high and the outflow to 5' at the inflow. The outlet (riverside) wall is of gray sandstone and the inlet (berm side) wall of red sandstone. The outlet wall runs for an extensive distance, due to the flood plain of Rock Run and is buttressed.
Source http://www.hscl.cr.nps.gov/insidenps/report.asp?STATE=&PARK=CHOH&STRUCTURE=&SORT=&RECORDNO=87 (Note: record number may change)
Author National Park Service, Dept of Interior, US Government
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Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.

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current13:31, 9 July 2014Thumbnail for version as of 13:31, 9 July 2014640 × 424 (300 KB)Bonnachoven (talk | contribs){{Information |Description ={{en|1=Rock Run culvert (#12), on short level, just below Lock 11 (above Lock 10). NPS says: Built on an angle (under the berm, canal, and towpath) approximately 152' in length. The 12' -6" wide barrel arch, with rise o...

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